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1997 Kawasaki Bayou 300 2x4 (klf300b) Runs Bad


JacobSlabach

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33 minutes ago, Frank Angerano said:

You can also take them valve cover caps off the head and start the bike for a minute. Just be prepared for a little smoke. Maybe you can see or hear better as to what’s going on.  

ok I will try that..  I'm weary of running it because I'd not like to bend a valve if its hitting..  

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I've never ran or heard an engine with low oil so I dont know what that sounds like, but there is oil oil in the bike to the viewing window and I changed it in July.  Its more of a knock in the top end-  I dont think its piston slap because the knuckle joint was pretty tight with no wiggle.

2 minutes ago, Frank Angerano said:

I can’t imagine you would bend a valve. So try this, take the caps off the head and rotate the engine and watch the valves move slowly and see if they get too tight as you hit the top of the lobe on the cam or if they still feel loose at the top. Also check that the head is wet from oil pumping up. 

when I took the caps off today, there was oil in the head around the valves and the cam.  I'm not sure what you mean about watching the valves hit the top of the lobe on the cam or if they feel loose at the top...?

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The only knock I can think of was on my bayou 400 and it was where the cam sits. It’s called a journal where the cam sits.   The cam was actually hopping up and down. I should hope that’s not the problem.  

Here are a few pics of my old head where the cam sits. Did you take any pics or notice this condition ? 

F76E62BF-DD53-4785-BAC5-CE695E636C47.jpeg

C503FFF4-1807-4502-B69D-07A43D538A24.jpeg

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14 minutes ago, Frank Angerano said:

The only knock I can think of was on my bayou 400 and it was where the cam sits. It’s called a journal where the cam sits.   The cam was actually hopping up and down. I should hope that’s not the problem.  

Here are a few pics of my old head where the cam sits. Did you take any pics or notice this condition ? 

F76E62BF-DD53-4785-BAC5-CE695E636C47.jpeg

C503FFF4-1807-4502-B69D-07A43D538A24.jpeg

cam seemed snug to me- mine slid out the side off the head because my head doesnt come apart like yours.

2 minutes ago, Frank Angerano said:

When you get the engine to top dead center and the T is in the small window on the flywheel and the marks are lined up on the cam sprocket with the head yiu are at top dead center.  Is there play in the valves ?

you mean side to side or up and down?

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